>2b50A (A:) SEQRES residues npqvadlkafskhiynaylknfnmtkkkarsiltgkashtapfvihdietlwqaekglvw kqlvnglppykeisvhvfyrcqcttvetvreltefaksipsfsslflndqvtllkygvhe aifamlasivnkdgllvangsgfvtreflrslrkpfsdiiepkfefavkfnalelddsdl alfiaaiilcgdrpglmnvprveaiqdtilralefhlqanhpdaqqlfpkllqkmadlrq lvtehaqmmqrikktetetslhpllqeiykdm